AutoHotkey Community

#Persistent
SetTimer, WatchPOV, 5
return

WatchPOV:
GetKeyState, POV, JoyPOV  ; Get position of the POV control.
KeyToHoldDownPrev = %KeyToHoldDown%  ; Prev now holds the key that was down before (if any).

; Some joysticks might have a smooth/continous POV rather than one in fixed increments.
; To support them all, use a range:
if POV < 0   ; No angle to report
   KeyToHoldDown =
else if POV > 31500                 ; 315 to 360 degrees: Forward
   KeyToHoldDown = Up
else if POV between 0 and 4500      ; 0 to 45 degrees: Forward
   KeyToHoldDown = Up
else if POV between 4501 and 13500  ; 45 to 135 degrees: Right
   KeyToHoldDown = Right
else if POV between 13501 and 22500 ; 135 to 225 degrees: Down
   KeyToHoldDown = Down
else                                ; 225 to 315 degrees: Left
   KeyToHoldDown = Left

if KeyToHoldDown = %KeyToHoldDownPrev%  ; The correct key is already down
   return  ; Do nothing.

; Otherwise, release the previous key and press down the new key:
SetKeyDelay -1  ; Avoid delays between keystrokes.
if KeyToHoldDownPrev <>   ; There is a previous key to release.
   Send, {%KeyToHoldDownPrev% up}  ; Release it.
if KeyToHoldDown <>   ; There is a key to press down.
   Send, {%KeyToHoldDown% down}  ; Press it down.
return

#Persistent
SetTimer, WatchPOV, 5
return

WatchPOV:
GetKeyState, POV, JoyPOV  ; Get position of the POV control.
Key1ToHoldDownPrev = %Key1ToHoldDown%
Key2ToHoldDownPrev = %Key2ToHoldDown%
; Each "Prev" variable now holds the key that was down before (if any).

; Some joysticks might have a smooth/continous POV rather than one in fixed increments.
; To support them all, check for ranges:
if POV < 0   ; No angle to report
{
   Key1ToHoldDown =
   Key2ToHoldDown =
}
else if POV > 33750                 ; 337.5 to 360 degrees: Forward
{
   Key1ToHoldDown = Up
   Key2ToHoldDown =
}
else if POV between 0 and 2250      ; 0 to 22.5 degrees: Forward
{
   Key1ToHoldDown = Up
   Key2ToHoldDown =
}
else if POV between 2251 and 6750   ; Up+Right
{
   Key1ToHoldDown = Up
   Key2ToHoldDown = Right
}
else if POV between 6751 and 11250  ; Right
{
   Key1ToHoldDown =
   Key2ToHoldDown = Right
}
else if POV between 11251 and 15750 ; Down+Right
{
   Key1ToHoldDown = Down
   Key2ToHoldDown = Right
}
else if POV between 15751 and 20250 ; Down
{
   Key1ToHoldDown = Down
   Key2ToHoldDown =
}
else if POV between 20251 and 24750 ; Down+Left
{
   Key1ToHoldDown = Down
   Key2ToHoldDown = Left
}
else if POV between 24751 and 29250 ; Left
{
   Key1ToHoldDown =
   Key2ToHoldDown = Left
}
else if POV between 29251 and 33750 ; Up+Left
{
   Key1ToHoldDown = Up
   Key2ToHoldDown = Left
}

SetKeyDelay -1  ; Avoid delays between keystrokes.

if Key1ToHoldDown <> %Key1ToHoldDownPrev%  ; Key #1 needs adjusting.
{
   if Key1ToHoldDownPrev <>   ; There is a previous key to release.
      Send, {%Key1ToHoldDownPrev% up}  ; Release it.
   if Key1ToHoldDown <>   ; There is a key to press down.
      Send, {%Key1ToHoldDown% down}  ; Press it down.
}
if Key2ToHoldDown <> %Key2ToHoldDownPrev%  ; Key #2 needs adjusting.
{
   if Key2ToHoldDownPrev <>   ; There is a previous key to release.
      Send, {%Key2ToHoldDownPrev% up}  ; Release it.
   if Key2ToHoldDown <>   ; There is a key to press down.
      Send, {%Key2ToHoldDown% down}  ; Press it down.
}
return